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Hybrid photocathodes for solar fuel production: coupling molecular
fuel-production catalysts with solid-state light harvesting and conversion
technologies
#MMPMID26052422
Cedeno D
; Krawicz A
; Moore GF
Interface Focus
2015[Jun]; 5
(3
): 20140085
PMID26052422
show ga
Artificial photosynthesis is described as the great scientific and moral
challenge of our time. We imagine a future where a significant portion of our
energy is supplied by such technologies. However, many scientific, engineering
and policy challenges must be addressed for this realization. Scientific
challenges include the development of effective strategies to couple light
absorption, electron transfer and catalysis for efficient conversion of light
energy to chemical energy as well as the construction and study of structurally
diverse assemblies to carry out these processes. In this article, we review
recent efforts from our own research to develop a modular approach to interfacing
molecular fuel-production catalysts to visible-light-absorbing semiconductors and
discuss the role of the interfacing material as a protection layer for the
catalysts as well as the underpinning semiconductor. In concluding, we briefly
discuss the potential benefits of a globally coordinated project on artificial
photosynthesis that interfaces teams of scientists, engineers and policymakers.
Further, we offer cautions that such a large interconnected organization should
consider. This article is inspired by, and draws largely from, an invited
presentation given by the corresponding author at the Royal Society at Chicheley
Hall, home of the Kavli Royal Society International Centre, Buckinghamshire on
the themed meeting topic: 'Do we need a global project on artificial
photosynthesis?'
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